The Chicago Cubs host the Milwaukee Brewers on Tuesday, September 1, 2026, at Wrigley Field with first pitch scheduled for 7:40 PM ET on TBS and Marquee Sports Network. Matthew Boyd gets the ball for Chicago against Milwaukee left-hander Robert Gasser in what shapes up as a pivotal NL Central matchup. With the calendar flipping to September, every game between these two division rivals carries real weight. The Cubs send out a loaded lineup — Pete Crow-Armstrong, Seiya Suzuki, and Alex Bregman at the top — and will need Boyd to eat innings and keep the Brewers' offense in check on a warm summer night on the North Side.

Pitching Matchup: Matthew Boyd vs. Robert Gasser

Matthew Boyd gets the start for the Cubs. Boyd has been a reliable presence in Chicago's rotation this season, and the Cubs will be counting on him to keep a competitive Brewers lineup off the board and give the offense room to work. He'll face Robert Gasser, a young left-hander who has been part of Milwaukee's pitching development pipeline. Gasser presents a challenge — left-handed starters can give lineups fits, and the Cubs will need to stay disciplined and work counts against him.

Cubs Starting Lineup for September 1

• 1. Pete Crow-Armstrong, CF
• 2. Seiya Suzuki, RF
• 3. Alex Bregman, 3B
• 4. Tyrone Taylor, LF
• 5. Nico Hoerner, SS
• 6. Michael Busch, 1B
• 7. Carson Kelly, C
• 8. BJ Murray Jr., DH
• 9. Matt Shaw, 2B

Keys to Watch at Wrigley Field

Pete Crow-Armstrong Leading Off

PCA at the top of the order is a weapon. His ability to get on base and create early chaos on the basepaths puts immediate pressure on opposing pitchers. If he's moving on the bases in the first couple of innings, the Cubs' offense tends to open up in a hurry.

Alex Bregman in the Three-Hole

Bregman hitting third gives this lineup a different feel. He's the kind of professional hitter who works counts, doesn't chase, and comes up clutch in big spots. Gasser will have to navigate him carefully, especially with Suzuki getting on base ahead of him.

Left Side of the Lineup Stepping Up

Tyrone Taylor batting cleanup and Nico Hoerner in the five-hole is an interesting look. Taylor provides pop, while Hoerner is one of the most consistent contact hitters in the National League. If the top three set the table, this middle section has to deliver.

Boyd's Ability to Work Deep Into the Game

The Cubs' bullpen is a resource that needs to be managed carefully down the stretch. Boyd's job Tuesday is to eat innings and keep the score manageable. If he can get through six or seven strong, Chicago's chances improve considerably.

Prediction

This is the kind of September game Wrigley Field was built for — two division rivals, a packed house, and real stakes. The Cubs' lineup, loaded from top to bottom, has the edge on paper against a young pitcher in Gasser. Boyd keeping the Brewers honest gives Chicago the margin it needs. Expect the Wrigley crowd to be loud from the first pitch. Cubs win, 5-3.